Cunningham, William P Cunningham, Mary Ann <br/><br/>
Principles of Environmental Science Inquiry & Application 

 - 3rd 
 -  Boston:McGraw Hill  2006 
 - iv-xviii, 1-427pgs 
<br/><br/><label>ISBN: </label>0-07-282339-9 
<br/><br/><label>Nat. Bib. No.: </label>004320 
<br/><br/><label>Dewey Class. No.: </label>363 C85